PARTICLE INSTRUMENTS LLC: public contracts won without a rival in United States: 6 uncontested awards; 86% of its awards; 5 without a competition; 1 single bid.
Assay record ASY-US-0ACA9OC0W4 · Cite as: Assay Systems, “PARTICLE INSTRUMENTS LLC: public contracts won without a rival in United States”, https://assay-systems.com/register/us/uncontested/s/particle-instruments-llc/
PARTICLE INSTRUMENTS LLC won 6 of its 7 public contract awards in United States without a rival from 2023-10-19 to 2026-08-25, worth $280K: 5 without a competition and 1 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Centers for Disease Control and Prevention with 3.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Centers for Disease Control and Prevention gave PARTICLE INSTRUMENTS LLC 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-07-19, latest 2026-08-25.
Environmental Protection Agency gave PARTICLE INSTRUMENTS LLC 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-06-12, latest 2025-05-07.
National Aeronautics and Space Administration gave PARTICLE INSTRUMENTS LLC 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-05-01, latest 2025-05-01.
Department of the Navy gave PARTICLE INSTRUMENTS LLC 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-10-19, latest 2023-10-19.
| Date | Buyer | How | Value | Stated reason |
|---|---|---|---|---|
| 2026-08-25 | Centers for Disease Control and Prevention 75D30126P21446 | No competition NOT COMPETED UNDER SAP | $137K | AUTHORIZED BY STATUTE (FAR 6.302-5(A)(2)(I)) |
| 2026-08-24 | Centers for Disease Control and Prevention 75D30126P21465 | No competition NOT COMPETED UNDER SAP | $14.8K | LESS THAN OR EQUAL TO THE MICRO-PURCHASE THRESHOLD |
| 2025-05-07 | Environmental Protection Agency 68HE0M25P0060 | Single bid COMPETED UNDER SAP | $109K | — |
| 2025-05-01 | National Aeronautics and Space Administration 80NSSC25PB003 | No competition NOT COMPETED UNDER SAP | $10.7K | SAP NON-COMPETITION (FAR 13) |
| 2024-07-19 | Centers for Disease Control and Prevention 75D30124P19433 | No competition NOT COMPETED UNDER SAP | $9.2K | LESS THAN OR EQUAL TO THE MICRO-PURCHASE THRESHOLD |
| 2023-10-19 | Department of the Navy N0017323P0135 | No competition NOT COMPETED | — | ONLY ONE SOURCE-OTHER (FAR 6.302-1 OTHER) |
Every uncontested award in United States · All countries · PARTICLE INSTRUMENTS LLC in the register
Source: USAspending.gov prime award transactions (contracts). Awards are matched to their buyer and supplier as published. Updated 17 October 2026.